Allen-Bradley 1336-PB-SP21B

The Allen-Bradley 1336-PB-SP21B printed circuit board is a crucial part of the 1336 series adjustable frequency drives, specifically serving as a precharge board to protect against excessive inrush currents that may damage the drives. Designed for operation at 460 Volts AC and supporting a frequency range of 50 to 60 Hertz, this PCB accommodates a power output of 60 to 800 horsepower, ensuring robust performance in demanding industrial environments. Featuring essential components such as a contactor device, precharge relay, and connection jumpers, the 1336-PB-SP21B enhances the efficiency and safety of three-phase induction motors by effectively regulating speed and torque. This board is an ideal choice for anyone seeking reliable and industrial-grade solutions for motor control applications.